Home / 2,942.21-4,411.95-1,299.23

Finding the Fourth Proportional to 2,942.21, 4,411.95 and 1,299.23

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Solution

The fourth proportional to 2,942.21, 4,411.95 and 1,299.23 is: 1,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.21 : 4,411.95 = 1,299.23 : x
  2. Step 2: Convert to fraction form
    2,942.21/4,411.95 = 1,299.23/x
  3. Step 3: Cross multiply
    2,942.21x = 4,411.95 × 1,299.23
  4. Step 4: Simplify right side
    2,942.21x = 5,732,137.80
  5. Step 5: Solve for x
    x = 5,732,137.80/2,942.21
  6. Step 6: Final answer
    x = 1,948.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.